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Database Systems MCQs – Practice Test 16 (Chapter 10)

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Free "Formal Relational Query Languages Study" App Download: A query language constituting a set of operations taking input of one or two relations and generating a relation as result, is known as; MCQ with answers: operational query language, structural query language, procedural query language, and object based query language. Practice Data Storage and Querying Quiz Questions, download Kobo e-Book (Free Chapter) for database design courses.

Formal Relational Query Languages MCQs – Practice Test 16 PDF Download

MCQ 76: A query language constituting a set of operations taking input of one or two relations and generating a relation as result, is known as:

  1. Structural query language
  2. Operational query language
  3. Procedural query language
  4. Object based query language

MCQ 77: The basic operations of relational algebra includes Select, project, union, set difference, Cartesian product, and:

  1. Rename operation
  2. Dimensional operations
  3. OLAP operations
  4. Cube operation

MCQ 78: The Cartesian product of two relations r1 andr2 is represented as:

  1. r1 ^ r2
  2. r1 ? r2
  3. r1 & r2
  4. r1 % r2

MCQ 79: A relation can be known as a subset of a Cartesian product of a set of:

  1. Domains
  2. Models
  3. Modules
  4. Processes

Formal Relational Query Languages Notes App & e-Book – Database Systems Admission Tests

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